Instacart Soars 40% as It Begins Trading, an Encouraging Sign for Tech I.P.O.s Shares opened at $42 on Tuesday, valuing the grocery delivery company at $13.9 billion. Author: Erin Griffith and Kellen Browning Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)MoreClick to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)